[ thresh-er ]

  1. a person or thing that threshes.

  2. Also thrasher. Also called thresher shark . a large shark of the genus Alopias, especially A. vulpinus, which threshes the water with its long tail to drive together the small fish on which it feeds.

Origin of thresher

First recorded in 1350–1400, thresher is from the Middle English word thressher.See thresh, -er1

Words Nearby thresher Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use thresher in a sentence

  • Combined harvester and thresher—Matteson, United States, 1886.

    The Story of Great Inventions | Elmer Ellsworth Burns
  • The sheds and the reaper and binder and thresher went just after, and the orchards and fences as well.

    Australian Pictures | Howard Willoughby

British Dictionary definitions for thresher


/ (ˈθrɛʃə) /

  1. a person who threshes

  1. Also called: thrasher, thresher shark any of various large sharks of the genus Alopias, esp A. vulpinus, occurring in tropical and temperate seas: family Alopiidae. They have a very long whiplike tail with which they are thought to round up the small fish on which they feed

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012